265985382 has 24 divisors (see below), whose sum is σ = 576041544. Its totient is φ = 81841344.

The previous prime is 265985381. The next prime is 265985411. The reversal of 265985382 is 283589562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265985381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130143 + ... + 132170.

It is an arithmetic number, because the mean of its divisors is an integer number (24001731).

Almost surely, 2^265985382 is an apocalyptic number.

265985382 is an abundant number, since it is smaller than the sum of its proper divisors (310056162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265985382 is a wasteful number, since it uses less digits than its factorization.

265985382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262344 (or 262331 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 265985382 is about 16309.0582805998. The cubic root of 265985382 is about 643.1109780093.

The spelling of 265985382 in words is "two hundred sixty-five million, nine hundred eighty-five thousand, three hundred eighty-two".